If more consumers become coffee drinkers, the market demand curve for coffee will

Question

BlackTom AI · Accepted Answer

An increase in the number of consumers increases market demand at every price, so the market demand curve shifts outward (to the right).

1) Relevant knowledge points and concepts
- Market demand is the horizontal (quantity) summation of individual consumers' demand schedules. 
- Determinants of demand include tastes, income, prices of related goods, expectations, and number of buyers. A change in any determinant (other than the good’s own price) causes the entire demand curve to shift. 
- A shift to the right (outward) means greater quantity demanded at each price; a shift to the left means less quantity demanded at each price. A movement along the curve occurs only when the good’s own price changes.

2) Step-by-step reasoning
- Step 1: More consumers join the market for coffee. 
- Step 2: At a given price (say $2 per cup), the total number of cups demanded equals the sum of each consumer’s quantity demanded. Adding consumers increases that sum. 
- Step 3: Because quantity demanded rises for every possible price, the market demand curve moves to a new position showing higher quantities at each price point. Graphically, this is a rightward (outward) shift.

3) Intermediate steps / illustrative example
- Suppose initially 100 consumers each demand 1 cup at $2 → total 100 cups. Add 20 consumers with same preferences → total 120 cups at $2. The demand curve point at $2 moves from 100 to 120, and similar increases occur at other prices → entire curve shifts right.

4) Why the correct answer is correct
- "Shift outward and to the right" precisely describes an increase in market demand caused by more buyers: more quantity demanded at all prices.

5) Why the other options are incorrect
- "Remain unchanged..." is wrong because number of buyers is a determinant and it changed. 
- "Reflect a positive relationship between price and quantity demanded" contradicts the law of demand (normally inverse). 
- "Shift downward and to the left" describes a decrease in demand, the opposite of what's happening.

6) Conclusion
The correct choice is "shift outward and to the right," which matches the provided answer.

If more consumers become coffee drinkers, the market demand curve for coffee will单项选择题

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